英语词汇pneumatic sign怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pneumatic sign
释义	pneumatic sign pneumaticsn. 气体力学 pneumaticallyadv. 由空气作用 anastigmaticadj. 去像散的 cinematographicadj. 电影的；电影摄影术的 cinematographyn. 电影术
随便看	revolutionper minute Revolution Per Minute revolution per second revolution per unit distance revolution per unit of time revolution press revolution press leather revolution recorder revolution, rotation revolutions drop revolutions of spindle per minute revolution speed revolution speed check table revolution speed of propeller revolution speed of screw revolution speed transducer revolutions per hour revolutions perminite revolutionsper minute revolutions per minute revolutions per minute indicator Revolutions per second revolutions per unit time revolution stabilizer revolution stop

英汉双解词典包含3607232条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。